Pith Number

pith:KFGF3G3W

pith:2018:KFGF3G3WXDPUJLFD7LAYMYV5KO

not attested not anchored not stored refs pending

Period Variations and Possible Third Components in the Eclipsing Binaries AH Tauri and ZZ Cassiopeiae

D.E. Tvardovskyi, I.L. Andronov, L.S. Shakun, V.I. Marsakova

arxiv:1810.09256 v1 · 2018-10-22 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KFGF3G3WXDPUJLFD7LAYMYV5KO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:58:13.541667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

514c5d9b76b8df44aca3fac18662bd538908f62a0725029b9263196765964118

Aliases

arxiv: 1810.09256 · arxiv_version: 1810.09256v1 · doi: 10.48550/arxiv.1810.09256 · pith_short_12: KFGF3G3WXDPU · pith_short_16: KFGF3G3WXDPUJLFD · pith_short_8: KFGF3G3W

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/KFGF3G3WXDPUJLFD7LAYMYV5KO \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 514c5d9b76b8df44aca3fac18662bd538908f62a0725029b9263196765964118

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0e89a4d30bf09108ec9a102d8ac6d2d7a22c7bcbcbc9de6a669103b5bc47291",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-10-22T13:25:47Z",
    "title_canon_sha256": "6872f720adcda21f96201d093d05599bfe6f8523d0e07050ada9e9395400e8ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09256",
    "kind": "arxiv",
    "version": 1
  }
}